IPFire is a Linux distribution that focusses on easy setup, good handling and high level of security. It is operated via an intuitive web-based interface which offers many configuration options for beginning and experienced system administrators. IPFire is maintained by developers who are concerned about security and who update the product regularly to keep it secure. IPFire ships with a custom package manager called Pakfire and the system can be expanded with various add-ons.

CentOS is a Linux distribution based on the source code from Red Hat Enterprise Linux. The project's latest version, CentOS 6.10, offers an update to the project's 6.x series and includes mostly bug fixes along with a few minor upgrades. "We are pleased to announce the immediate availability of CentOS Linux 6.10 and install media for i386 and x86_64 architectures. There are various changes in this release, compared with the past CentOS Linux 6 releases, and we highly recommend everyone study the upstream Release Notes as well as the upstream Technical Notes about the changes and how they might impact your installation. All updates since the upstream 6.10 release are also on the CentOS mirrors as zero day updates. When installing CentOS-6.10 (or any other version) from any of our media, you should always run 'yum update' after the install to apply these. Users consuming our CentOS-CR repositories will already be running most of the packages that make up CentOS 6.10 and all updates released since." More information can be found in the project's release announcement and in the release notes. Download (SHA256, signature, pkglist): CentOS-6.10-x86_64-bin-DVD1.iso (3,807, torrent), CentOS-6.10-x86_64-LiveDVD.iso (1,947MB, torrent), CentOS-6.10-x86_64-netinstall.iso (229MB, torrent).

CentOS is a distribution built from the source code of Red Hat Enterprise Linux. The CentOS project has announced the availability of a new update to the distribution, releasing CentOS 7-1708 which is derived from Red Hat Enterprise Linux 7.4. The list of changes in this update to version 7 is fairly conservative: "Since release 1503 CentOS 7 can report bugs directly to bugs.centos.org. You can find information about that feature at this page. Various new packages include among others: python-gssapi, python-netifaces, mod_auth_openidc, Pidgin and Qt 5. SSH1 support has been removed from the SSH server. Along with this move, all cryptographic protocols and algorithms which are considered insecure have been deprecated. OpenSSL now supports DTLS (TLS via UDP) and ALPN. NVMe Over Fabric is now supported in the NVM Express kernel driver. There have been various changes and enhancements to cryptographic abilities of various packages - Sendmail now supports ECDHE, OpenSSH now uses SHA2 for public key signatures, among others." The release announcement and release notes contain further information. Download (pkglist): CentOS-7-x86_64-DVD-1708.iso (4,312MB, SHA256, signature, torrent), CentOS-7-x86_64-NetInstall-1708.iso (422MB, SHA256, signature, torrent). Also available from OSDisc.

Johnny Hughes has announced the release of CentOS 6.9, a Red Hat-sponsored Linux distribution built from the source code for the recently-released Red Hat Enterprise Linux (RHEL) 6.9. This is the project's legacy branch supported until November 2020. From the release announcement: "We are pleased to announce the immediate availability of CentOS Linux 6.9 and install media for i386 and x86_64 architectures. CentOS Linux 6.9 is derived from source code released by Red Hat, Inc. for Red Hat Enterprise Linux 6.9. All upstream variants have been placed into one combined repository to make it easier for end users. Workstation, server and minimal installs can all be done from our combined repository. There are many fundamental changes in this release, compared with the past CentOS Linux 6 releases, and we highly recommend everyone study the upstream release notes as well as the upstream technical notes about the changes and how they might impact your installation." See also the release notes for further information and upgrade instructions. Download links (SHA256, signature, pkglist, mirror list): CentOS-6.9-x86_64-bin-DVD1.iso (3,788MB, torrent), CentOS-6.9-x86_64-LiveDVD.iso (1,930MB, torrent), CentOS-6.9-x86_64-minimal.iso (408MB, torrent), CentOS-6.9-x86_64-netinstall.iso (230MB, torrent).

Karanbir Singh has announced the release of CentOS 7-1611. The new release is derived from Red Hat Enterprise Linux 7.3 and offers a number of new features, including SHA2 support in OpenLDAP, Bluetooth LE and a technology preview of Btrfs. "Since release 1503 (abrt>= 2.1.11-19.el7.centos.0.1) CentOS-7 can report bugs directly to bugs.centos.org. You can find information about that feature at this page. Various new packages include among others: python-gssapi, python-netifaces, mod_auth_openidc, pidgin and Qt5. Support for the 7th-generation Core i3, i5, and i7 Intel processors and I2C on 6th-generation Core Processors has been added. Various packages have been rebased. Some of those are samba, squid, systemd, krb5, gcc-libraries, binutils, gfs-utils, libreoffice, GIMP,SELinux, firewalld, libreswan, tomcat and open-vm-tools..." Further information can be found in the project's release notes. Download (pkglist): CentOS-7-x86_64-DVD-1611.iso (4,177MB, SHA256, signature, torrent), CentOS-7-x86_64-NetInstall-1611.iso (377MB, SHA256, signature, torrent).

Johnny Hughes has announced the release of CentOS 6.8, a community distribution which is built using the source code of Red Hat Enterprise Linux. The new release features a number of important changes, including deprecated drivers and packages as well as new features. "CentOS Linux 6.8 is derived from source code released by Red Hat, Inc. for Red Hat Enterprise Linux 6.8. All upstream variants have been placed into one combined repository to make it easier for end users. Workstation, server, and minimal installs can all be done from our combined repository. All of our testing is only done against this combined distribution. There are many fundamental changes in this release, compared with the past CentOS Linux 6 releases, and we highly recommend everyone study the upstream release notes as well as the upstream technical notes about the changes and how they might impact your installation." The release announcement and release notes detail all the changes in CentOS 6.8. Download (SHA256, signature, pkglist): CentOS-6.8-x86_64-bin-DVD1.iso (3,735MB, torrent), CentOS-6.8-x86_64-LiveDVD.iso (1,919MB, torrent), CentOS-6.8-x86_64-netinstall.iso (228MB, torrent).

Karanbir Singh has announced the launch of a new version of CentOS. The CentOS project builds an enterprise class distribution based on source code from Red Hat Enterprise Linux. The latest release, CentOS 7-1511, contains mostly minor new features and security fixes. "Since release 1503 (abrt>=2.1.11-19.el7.centos.0.1) CentOS-7 can report bugs directly to bugs.centos.org. You can find information about that feature at this page. sudo is now capable of verifying command checksums. A Kerberos HTTPS proxy is now available for identity management. NSS no longer accepts DH key parameters < 768 nor RSA/DSA certificates with key sizes < 1024 bits. NSS also now enables TLS1.1/1.2 by default. Various packages now support TLS1.1/1.2 and EC ciphers..." Singh reported CentOS developers are working to produce builds for ARM, Aarch64 and 32-bit x86 architectures. Further information can be found in the project's release announcement and in the release notes for CentOS 7-1511. Download: CentOS-7-x86_64-DVD-1511.iso (4,129MB, SHA256, torrent, pkglist).

Karanbir Singh has announced the availability of a new release of CentOS, a distribution made from the source code used to create Red Hat Enterprise Linux releases. "CentOS Linux 6.7 is derived from source code released by Red Hat, Inc. for Red Hat Enterprise Linux 6.7. All upstream variants have been placed into one combined repository to make it easier for end users. Workstation, server, and minimal installs can all be done from our combined repository. All of our testing is only done against this combined distribution. There are many fundamental changes in this release, compared with the past CentOS Linux 6 releases, and we highly recommend everyone study the upstream Release Notes as well as the upstream Technical Notes about the changes and how they might impact your installation. (See the 'Further Reading' section if the CentOS release notes). All updates since the upstream 6.7 release are also on the CentOS mirrors as zero day updates. When installing CentOS-6.7 (or any other version) from any of our media, you should always run 'yum update' after the install to apply these." More information on CentOS 6.7 is available in the project's release announcement and in the release notes. Download (SHA256, pkglist)): CentOS-6.7-x86_64-bin-DVD1.iso (3,715MB, torrent), CentOS-6.7-x86_64-netinstall.iso (230MB, torrent).

Karanbir Singh has announced the availability of the first point update to CentOS 7, a Linux distribution built by compiling the source code of Red Hat Enterprise Linux 7: "We would like to announce the general availability of CentOS Linux 7 (1503) for 64-bit x86-compatible machines. This is the second major release for CentOS 7 and is tagged as 1503. This build is derived from Red Hat Enterprise Linux 7.1. This merges in all base, updates, and CR (continuous release) components released in the month of March 2015. If you have been using the CR repositories on your previous CentOS Linux 7 install, you already have all the components used to compose this new release. This release supersedes all previously released content for CentOS Linux 7, and therefore we highly encourage all users to upgrade their machines. Information on different upgrade strategies and how to handle stale content is included in the release notes." Read the rest of the release announcement for more information. Download (mirror list, SHA256): CentOS-7-x86_64-DVD-1503.iso (4,040MB, torrent, pkglist), CentOS-7-x86_64-LiveGNOME-1503.iso (1,072MB, torrent), CentOS-7-x86_64-LiveKDE-1503.iso (1,250MB, torrent).

Johnny Hughes has announced the release of CentOS 6.6, un updated build of the project's legacy branch, compiled from the source code for Red Hat Enterprise Linux 6.6: "We are pleased to announce the immediate availability of CentOS 6.6 install media for i386 and x86_64 architectures. CentOS 6.6 is based on source code released by Red Hat, Inc. for Red Hat Enterprise Linux. There are many fundamental changes in this release, compared with the past CentOS 6 releases, and we highly recommend everyone study the upstream release notes as well as the upstream technical notes about the changes and how they might impact your installation. All updates since the upstream 6.6 release are also on the CentOS 6.6 mirrors as zero day updates. When installing CentOS 6.6 (or any other version) from any of our media, you should always run 'yum update' after the install." See the release announcement and release notes for detailed information about this version. Download (mirror list): CentOS-6.6-x86_64-bin-DVD1.iso (4,418MB, SHA256, torrent, pkglist). CentOS 6.6 live CD/DVD images were not available at the time of announcement.

Johnny Hughes has announced the release of CentOS 5.11, the distribution's final release in the 5.x branch: "We are pleased to announce the immediate availability of CentOS 5.11 for i386 and x86_64 architectures. CentOS 5.11 is based on source code released by Red Hat, Inc. and it includes packages from all variants, including Server and Client." The release announcement includes a note on the Bash "shellshock" vulnerability: "The Bash version included on the CentOS 5.11 ISO images is a version that contains the shellshock vulnerability. When we create CentOS ISO images, we try to mirror the same package versions that are on the upstream ISO images from Red Hat, whose ISO images also contain that vulnerability. An updated Bash is available as a zero day update in the 5.11 updates repository now. Please run 'yum update bash' after install." See also the release notes. Download (mirror list): CentOS-5.11-x86_64-bin-DVD-1of2.iso (4,458MB, torrent, SHA256, pkglist).

The much-awaited initial release of CentOS 7, a distribution built by compiling the source code for Red Hat Enterprise Linux 7, is out: "We would like to announce the general availability of CentOS 7 for 64-bit x86 compatible machines. This is the first release for CentOS 7 and is version marked as 7.0-1406. Since the upstream EL7 release, there have been some updates released - these have been built and are being pushed to the CentOS mirror network at the moment. They will be available within the next 24 hrs. From this point on we will aim to deliver all updates within 24 to 48 hours of upstream releases. For the first time, this release was built from sources hosted at git.centos.org." See the release announcement and release notes for detailed information about the product. Download (mirror list, SHA256): CentOS-7.0-1406-x86_64-DVD.iso (3,956MB, torrent), CentOS-7.0-1406-x86_64-GnomeLive.iso (1,057MB, torrent), CentOS-7.0-1406-x86_64-KdeLive.iso (1,238MB, torrent).

Karanbir Singh has announced the release of CentOS 6.5, the latest stable build of the enterprise-class Linux distribution compiled from the Red Hat Enterprise Linux 6.5 source code: "We are pleased to announce the immediate availability of CentOS 6.5. CentOS 6.5 is based on the upstream release EL 6.5 and includes packages from all variants. There are many fundamental changes in this release, compared with the past CentOS 6 releases and we highly recommend everyone study the release notes as well as the upstream technical notes about the changes and how they might impact your installation. All updates released since upstream 6.5 release are also released to the CentOS 6.5 mirrors." See the release notes for detailed information about CentOS 6.5. Download (mirror list, SHA256) the installation or live CD/DVD editions from here: CentOS-6.5-x86_64-bin-DVD1.iso (4,261MB, torrent), CentOS-6.5-x86_64-LiveDVD.iso (1,788MB, torrent), CentOS-6.5-x86_64-LiveCD.iso (649MB, torrent).

Johnny Hughes has announced the release of CentOS 5.10, an updated build of the project's distribution built from source code of the recently-released Red Hat Enterprise Linux 5.10: "We are pleased to announce the immediate availability of CentOS 5.10 for the i386 and x86_64 architectures. New features: MySQL versions 5.1 and 5.5 are now available, MySQL 5.1 is only provided for assisting in upgrading MySQL 5.0 databases to MySQL 5.5 and it should not be used in production environments; there will be no more security updates for the 5.0 and 5.1 versions of MySQL; a new package, gcc-libraries, consisting of libraries libatomic and libitm, is now available - these libraries provide support for certain atomic operations and transactional memory; the HP cciss RAID driver has been updated to the latest version...." See the release announcement and especially the release notes for a detailed list of changes and known issues. Download (mirror list): CentOS-5.10-x86_64-bin-DVD-1of2.iso (4,456MB, SHA256).

Karanbir Singh has announced the release of CentOS 6.4, an updated build of the enterprise-class Linux distribution compiled from the source code of Red Hat Enterprise Linux 6.4: "We are pleased to announce the immediate availability of CentOS 6.4 install media for i386 and x86_64 architectures. CentOS 6.4 is based on the upstream release EL 6.4 and includes packages from all variants. All upstream repositories have been combined into one, to make it easier for end users to work with. There are many fundamental changes in this release, compared with the past CentOS 6 releases, and we highly recommend that everyone study the release notes as well as the upstream technical notes about the changes and how they might impact your installation. Everyone who has centos-cr repositories enabled and in use would already be running CentOS 6.4 as of two weeks ago." Read the release announcement and release notes for more details. Download (mirror list): CentOS-6.4-x86_64-bin-DVD1.iso (4,152MB, SHA1, torrent).

Karanbir Singh has announced the release of CentOS 5.9, a Linux distribution built from the source code of the recently-released Red Hat Enterprise Linux (RHEL) 5.9: "We are pleased to announce the immediate availability of CentOS 5.9 for i386 and x86_64 architectures. New features: the UOP added native MySQL support to Postfix, you might consider moving from the postfix-mysql package from the centosplus repo to this package if you are using the centosplus package only for MySQL support; java-1.7.0-openjdk (Java 7) support has been added in CentOS-5.9, java-1.6.0-openjdk (Java 6) is also still available and most things java in the distribution still use Java 6; ant17 (Ant 1.7.0) has been added to CentOS-5.9, the older ant (Ant 1.6.5) is also still available; Microsoft Hyper-V drivers have been added to allow CentOS to be more efficient as a virtual machine when installed on Microsoft Hyper-V server...." For more information please consult the release announcement and the detailed release notes. Download (mirrors, SHA256, torrent): CentOS-5.9-x86_64-bin-DVD-1of2.iso (4,467MB), CentOS-5.9-x86_64-bin-DVD-2of2.iso (718MB).

Karanbir Singh has announced the release of CentOS 6.3, the latest version of the enterprise-class Linux distribution derived from the source code of Red Hat Enterprise Linux 6.3: "The CentOS team is pleased to announce the immediate availability of CentOS-6.3 for i386 and x86_64 Architectures. CentOS-6.3 is based on the upstream release EL 6.3 and includes packages from all variants. All upstream repositories have been combined into one, to make it easier for end users to work with. There are some important changes to this release compared with the previous versions of CentOS and we highly recommend reading this announcement along with the Release Notes. There is also a minimal install CD that will get you a very small base install that you can add to." Read the release announcement and release notes for further information. Download the installation DVD images from mirrors: CentOS-6.3-i386-bin-DVD1.iso (3,541MB, SHA256, torrent), CentOS-6.3-x86_64-bin-DVD1.iso (4,091MB, SHA256, torrent).

Johnny Hughes has announced the release of CentOS 5.8: "We are pleased to announce the immediate availability of CentOS 5.8 for the i386 and x86_64 architectures. CentOS 5.8 is the eighth update to the CentOS 5 distribution series. It contains a lot of bug fixes, updates and new functionality. Known issues: as of CentOS 5.7 the installation kit is split into two DVDs; there is a MultiLib issue with dbus-1.1.2-16 (i386 and x86_64) - they can not be installed at the same time due to a conflict of the file /etc/dbus-1/system.conf; there is a known issue with the tg3 kernel driver using VLANs (802.1q) and at least one Broadcom chipset; there is a known issue with the smartmontools and the 2.6.18-308 kernel where 'hard drives behind a SAS controller can get dropped'; there is a known issue with the latest nfs-utils in EL 5.8 where invalid warnings are given on NFS mounts for rpc.idmapd and/or rpc.gssd." Read the release announcement and the more detailed release notes for further information. Download (mirrors): CentOS-5.8-i386-bin-DVD-1of2.iso (3,742MB, SHA256, torrent), CentOS-5.8-x86_64-bin-DVD-1of2.iso (4,372MB, SHA256, torrent).

Karanbir Singh has announced the release of CentOS 6.2, the latest version of the community distribution built by compiling the source code for Red Hat Enterprise Linux 6.2: "We are pleased to announce the immediate availability of CentOS 6.2 for i386 and x86_64 architectures. CentOS 6.2 is based on the upstream release EL 6.2 and includes packages from all variants. All upstream repositories have been combined into one, to make it easier for end users to work with. All updates released since upstream 6.2 release are also released to the CentOS 6.2 mirrors. With this release we are now back to a regular, managed and tested release path and time scales. However, for the time being, we are going to retain the CR/ repository in the event it's needed in the future to push ahead-of-release updates." Read the release announcement and release notes to learn more about the new release. Download the installation DVD images: CentOS-6.2-i386-bin-DVD1.iso (3,640MB, SHA256, torrent), CentOS-6.2-x86_64-bin-DVD1.iso (4,218MB, SHA256, torrent).

Karanbir Singh has announced the release of CentOS 6.1, a new version of the popular distribution built from source code for Red Hat Enterprise Linux 6.1: "We are pleased to announce the immediate availability of CentOS 6.1 install media for i386 and x86_64 architectures. CentOS 6.1 is based on the upstream release EL 6.1 and includes packages from all variants. All upstream repositories have been combined into one, to make it easier for end users to work with. All machines running CentOS-Release-CR on 6.0 would already be running code that is included in the 6.1 install media. We highly recommend everyone use the CR repository in order to get all bug-fix and security updates as soon as possible." See the release announcement and read the detailed release notes for information about known issues and upgrade instructions. Download: CentOS-6.1-i386-bin-DVD1.iso (3,645MB, SHA256, torrent), CentOS-6.1-x86_64-bin-DVD1.iso (4,190MB, SHA256, SHA256, torrent). CentOS 6.1 live CD, live DVD, minimal and "netinstall" images are also available from the project's download mirrors.

Karanbir Singh has announced the release of CentOS 5.7, a free enterprise Linux distribution built from source code for Red Hat Enterprise Linux of the same version number: "We are pleased to announce the immediate availability of CentOS 5.7 for i386 and x86_64 architectures. CentOS 5.7 is based on the upstream release EL 5.7 and includes packages from all variants including server and client. All upstream repositories have been combined into one to make it easier for end users to work with. CentOS conforms fully to the upstream vendor's redistribution policy and aims to be 100% binary compatible. CentOS 5.7 is the seventh update to the CentOS 5 distribution series, it contains a lot of bug fixes, updates and new functionality." More information is available in the release announcement as well as the CentOS-specific release notes. Download (mirror list) the installation DVD images from here: CentOS-5.7-i386-bin-DVD-1of2.iso (3,438MB, SHA256, torrent), CentOS-5.7-x86_64-bin-DVD-1of2.iso (4,075MB, SHA256, torrent).

Karanbir Singh has announced the release of CentOS 6.0 "Live", a set of installable live CD and DVD images based on Red Hat Enterprise Linux 6.0: "We are pleased to announce the immediate availability of CentOS 6.0 live CD for i386 and x86_64 architectures. The CentOS 6.0 live CD is meant to be a Linux environment suited to be run directly from either CD media or USB storage devices. Due to space constraints, it was not possible to include all the traditional desktop applications on the live CD. You can though enjoy a GNOME basic desktop, view and modify pictures with gThumb and the GIMP, browse the web with Firefox, send emails with Thunderbird and connect to your favorite instant messaging network with Pidgin." Read the release announcement and release notes for further information. Download: CentOS-6.0-i386-LiveCD.iso (684MB, SHA256), CentOS-6.0-i386-LiveDVD.iso (1,615MB, SHA256), CentOS-6.0-x86_64-LiveCD.iso (689MB, SHA256), CentOS-6.0-x86_64-LiveDVD.iso (1,634MB, SHA256).

CentOS 6.0, a Linux distribution built from source RPM packages for Red Hat Enterprise Linux 6.0, has been released: "We are pleased to announce the immediate availability of CentOS 6.0 for i386 and x86_64 architectures. CentOS 6.0 is based on the upstream release EL 6.0 and includes packages from all variants. All upstream repositories have been combined into one, to make it easier for end users to work with. There are no CD images being released with CentOS 6, however we have some CD variants in the pipeline. Since upstream has a 6.1 version already released, we will be using a Continuous Release repository for 6.0 to bring all 6.1 and post 6.1 security updates to all 6.0 users, till such time as CentOS 6.1 is released. Read the release announcement and release notes for detailed information and upgrade instructions. Download (mirror list): CentOS-6.0-i386-bin-DVD.iso (4,487MB, SHA256, torrent), CentOS-6.0-x86_64-bin-DVD1.iso (4,042MB, SHA256, torrent).

Karanbir Singh has announced the release of CentOS 5.6, a Linux distribution built from source packages for Red Hat Enterprise Linux 5.6: "We are pleased to announce the immediate availability of CentOS 5.6 for i386 and x86_64 architectures. CentOS 5.6 is based on the upstream release EL 5.6 and includes packages from all variants including Server and Client. All upstream repositories have been combined into one, to make it easier for end users to work with. CentOS 5.6 is the sixth update to the CentOS 5 distribution series; it contains a lot of bug fixes, updates and new functionality." Read the release announcement and release notes for further information. Download (mirrors): CentOS-5.6-i386-bin-DVD.iso (4,065MB, MD5, torrent), CentOS-5.6-x86_64-bin-DVD-1of2.iso (4,052MB, MD5, torrent). Besides the standard installation DVDs, live CD and "netinstall" images are also available.

Karanbir Singh has announced the release of CentOS 5.5, a distribution created by compiling the source packages for Red Hat Enterprise Linux 5.5: "We are pleased to announce the immediate availability of CentOS 5.5 for i386 and x86_64 architectures. CentOS 5.5 is based on the upstream release 5.5 and includes packages from all variants including Server and Client. All upstream repositories have been combined into one, to make it easier for end users to work with. Live CDs for CentOS 5.5 on i386 and x86_64 are being released at the same time as the main distro. The live CDs are meant to be used to run a CentOS 5.5 environment or to start a network-based install. The live CDs are set up to allow running from either optical media like CDs and DVDs or from USB keys and other portable media." Read the release announcement and release notes for additional details. Download (mirrors, SHA1): CentOS-5.5-i386-bin-DVD.iso (3,991MB, torrent), CentOS-5.5-x86_64-bin-DVD-1of2.iso (4,190MB, torrent).

Karanbir Singh has announced the release of CentOS 5.4, a free, enterprise-class distribution built from source code for Red Hat Enterprise Linux: "We are pleased to announce the immediate availability of CentOS 5.4 for i386 and x86_64 architectures. CentOS 5.4 is based on the upstream release EL 5.4.0, and includes packages from all variants including server and client. All upstream repositories have been combined into one, to make it easier for end users to work with. And the option to further enable external repositories at install time is now available in the installer. For the first time, we are also releasing the i386 CentOS 5.4 live CD at the same time as the main distro." See the release announcement and release notes for further information. Download (mirrors, SHA1): CentOS-5.4-i386-bin-DVD.iso (3,815MB, torrent), CentOS-5.4-x86_64-bin-DVD.iso (4,405MB, torrent).

Johnny Hughes has announced the release of CentOS 4.8. This is a new version of the project's older, legacy branch built by the recompiling the source package for Red Hat Enterprise Linux 4.8: "The CentOS development team is pleased to announce the release of CentOS 4.8 for i386 and x86_64 architectures. New in this release: there is a technology preview of OpenOffice.org 2.0 included in the updates directory. Known issues: there is a requirement to swap in CD-1 during the install phase of CD-4 during some installs when the comps RPM is required to be installed; an upstream bug with the 3c59x Ethernet driver has been encountered during testing; there are issues with the i586 support on the AMD K6II processor...." See the release announcement and release notes for more details. Existing installations can be updated to the latest version via the usual update mechanism, but an installation CD and DVD images are also provide for download (mirror list: CentOS-4.8-i386-binDVD.iso (2,342MB, MD5, torrent), CentOS-4.8-x86_64-binDVD.iso (2,605MB, MD5, torrent).

Karanbir Singh has announced the release of a live CD edition of CentOS 5.3, a distribution built from source packages for Red Hat Enterprise Linux: "The CentOS development team is pleased to announce the availability of CentOS 5.3 i386 live CD. This CD is based on our CentOS 5.3 i386 distribution. It can be used as a Workstation, with the following software: OpenOffice.org 2.3.0, Firefox 3.0.6, Thunderbird 2.0.0.18, Pidgin 2.5.5, XChat 2.6.6, GIMP 2.2.13. It can also be used as a rescue CD with the following tools: Memtest86+ 1.65, full set of LVM and RAID command line tools, Nmap and NMapFE, Traceroute, Samba 3.0.33 with CIFS kernel support to connect to Windows file shares, system log viewer, GUI hardware device manager. The following packages were removed to reach the 700 MB target: Emacs, K3b, Scribus." See the release announcement and release notes for more information. Download: CentOS-5.3-i386-LiveCD.iso (691MB, MD5).

Karanbir Singh has announced the release of CentOS 5.3, a Linux distribution rebuilt from source package for Red Hat Enterprise Linux 5.3: "We are pleased to announce the immediate availability of CentOS 5.3 for the i386 and x86_64 architectures. CentOS 5.3 is based on the upstream release EL 5.3, and includes packages from all variants, including server and client. This release brings in a completely new artwork stack. Given the widespread requests for user contributed packages directly being hosted within the CentOS repositories, the contribs repository is now back with CentOS 5.3. There are no packages yet, but over the next few weeks we hope to have a policy and process in place that allows users to submit and manage packages in the contribs repository." See the release announcement and release notes for a detailed list of changes. Download (mirror list): CentOS-5.3-i386-bin-DVD.iso (3,787MB, SHA1, torrent), CentOS-5.3-x86_64-bin-DVD.iso (4,346MB, SHA1, torrent).

Karanbir Singh has announced the release of CentOS 4.7 "Server CD", a single-CD, server-only edition of CentOS based on Red Hat Enterprise Linux 4.7: "The single CD server install for CentOS 4.7 has now been released and is available from all active mirrors. Notes: this installer will only work with i686-based CPUs; the included packages are a subset of all packages available in the CentOS distribution, however yum has been pre-configured to use the entire repository; in order to ensure that drivers and other third-party applications maintain compatibility, the package set used on the Server CD is from release time CentOS 4.7, you are strongly encouraged to run a 'yum update' immediately after installation; the ISO size is lower than the 650 MB acceptable for a single CD - feedback on what other packages should be added or removed from this CD for the next release are welcome." Here is the complete release announcement. Download: CentOS-4.7.ServerCD-i386.iso (608MB, MD5, torrent), CentOS-4.7.ServerCD-x86_64.iso (618MB, MD5, torrent).

Johnny Hughes has announced the release of the CentOS 4.7, a distribution created by recompiling the source code for Red Hat Enterprise Linux 4.7: "The CentOS development team is pleased to announce the release of CentOS 4.7 for i386 and x86_64. This release corresponds to the upstream vendor 4.7 release. Also released in the updates repository for CentOS 4.7 are all updates through September 12th, 2008. Major changes for this version are: password hashing using the SHA-256 and SHA-512 hash functions is now supported; this update implements the use of paravirtualized block device and network drivers, which improve the performance of fully-virtualized guests; there is a technology preview of OpenOffice.org 2.0 included in the updates directory; Firefox is now rebased to version 3.0.x." Read the complete release announcement for further details. Download: CentOS-4.7-i386-binDVD.iso (2,324MB, MD5, torrent), CentOS-4.7-x86_64-binDVD.iso (2,574MB, MD5, torrent).

Patrice Guay announced the release of CentOS 5.2 i386 live CD: "The CentOS Development team is pleased to announce the availability of the CentOS 5.2 i386 Live CD. This CD is based on our CentOS-5.2 i386 distribution. It can be used as a Workstation, with the following software: openoffice.org 2.3.0, firefox 3.0, thunderbird 2.0.0, pidgin 2.3.1, scribus 1.3.3.2, xchat 2.6.6, k3b 0.12.17, gimp 2.2.13. It can also be used as a rescue CD with the following tools: memtest86+-1.65, Full set of LVM and RAID command line tools, QTParted, Nmap and NMapFE, traceroute, samba-3.0.28 with cifs kernel support to connect to Windows file shares, System Log Viewer, GUI Hardware Device Manager." See the release announcement and release notes for further information. Download: CentOS-5.2-i386-LiveCD.iso (697MB, SHA1SUM).

Karanbir Singh has announced the release of CentOS 5.2, a desktop a server distribution built by recompiling the source RPM packages for Red Hat Enterprise Linux 5.2: "We are pleased to announce the immediate availability of CentOS 5.2 for the i386 and x86_64 architectures. CentOS 5.2 is based on the upstream release 5.2 and includes packages from all variants, including Server and Client. All upstream repositories have been combined into one, to make it easier for end users to work with. And the option to further enable external repositories at install time is now available in the installer. Further arch support for PowerPC, IA64 and SPARC are planned and will be released soon." Read the release announcement and release notes for more a detailed description of changes and new features. The CD and DVD images are available for download from the project's mirrors: CentOS-5.2-i386-bin-DVD.iso (3,834MB, MD5, torrent), CentOS-5.2-x86_64-bin-DVD.iso (4,388MB, MD5, torrent).

Patrice Guay has announced the release of CentOS 5.1 live CD: "The CentOS Development team is pleased to announce the availability of the CentOS 5.1 i386 live CD. This CD is based on our CentOS 5.1 i386 distribution. We used the tools from the Fedora livecd-tools project to create the CentOS 5.1 live CD image. It can be used as a workstation, with the following software: OpenOffice.org 2.0.4, Firefox 1.5.0.12, Thunderbird 1.5.0.12, Pidgin 2.0.2, Scribus 1.3.3.2, XChat 2.6.6, K3b 0.12.17, GIMP 2.2.13. It can also be used as a rescue CD with the following tools: Memtest86+ 1.65, full set of LVM and RAID command line tools, QTParted, Nmap and NMapFE, traceroute, Samba 3.0.25b with CIFS kernel support to connect to Windows file shares, System Log Viewer, GUI Hardware Device Manager." See the release announcement and release notes for further information. Download: CentOS-5.1-i386-LiveCD.iso (687MB, SHA1, torrent).

Johnny Hughes has announced the release of CentOS 4.6, a newly updated version of the distribution's legacy 4.x branch: "The CentOS development team is pleased to announce the release of CentOS 4.6 for i386, x86_64, s390, s390x and ia64. This release corresponds to the upstream vendor 4.6 release. Also released in the updates repository for CentOS 4.6 are all updates through December 15th, 2007. Major changes for this version are: Samba has been updated to version 3.0.25b; Autofs5 is included in this release as a Technology Preview, it resolves several long-standing interoperability issues in multi-vendor environments; there is a technology preview of OpenOffice.org 2.0 included in the updates directory; a new yum included in CentOS 4.6 requires the installation of a metadata parser for yum." See the complete release announcement for additional information. Download (mirror list) the installation DVD images from here: CentOS-4.6-i386-binDVD.iso (2,303MB, MD5, torrent), CentOS-4.6-x86_64-binDVD.iso (2,559MB, MD5, torrent).

Karanbir Singh has announced the release of CentOS 5.1, a Linux distribution built by recompiling the source RPM packages for the recently released Red Hat Enterprise Linux 5.1: "We are pleased to announce the immediate availability of CentOS-5.1 for the i386 and x86_64 architectures. CentOS-5.1 is based on the upstream release 5.1, and includes packages from all variants including Server and Client. All upstream repositories have been combined into one, to make it easier for end users to work with. And the option to further enable external repositories at install time is now available in the installer. This is the first release where we are also publishing a special 'netinstall' ISO image that can be used to start a remote install." Read the release notes and release notes for further information. Download: CentOS-5.1-i386-bin-DVD.iso (3,667MB, MD5, torrent), CentOS-5.1-x86_64-bin-DVD.iso (4,237MB, MD5, torrent).

Johnny Hughes has announced the availability of CentOS 5 Live CD for i386 processors: "The CentOS Development team is pleased to announce the availability of the CentOS 5 i386 Live CD. This CD is based on our CentOS 5.0 i386 distribution. It can be used as a Workstation, with the following software: OpenOffice.org 2.0.4, Firefox 1.5.0.10, Thunderbird 1.5.0.10, Gaim 2.0.0, Scribus 1.3.3, XChat 2.6.6, K3b 0.12.17 and GIMP 2.2.13. It can also be used as a rescue CD with the following tools: full set of LVM and RAID command line tools; QTParted; Nmap and NMapFE; graphical traceroute; Samba 3.0.23c with CIFS kernel support to connect to Windows file shares; system log viewer; GUI hardware device manager." For more details please read the full release announcement. Download: CentOS-5.0-i386-LiveCD.iso (679MB, MD5).

Johnny Hughes has announced the release of CentOS 4.5, the fifth update to the project's 4.x series based on Red Hat Enterprise Linux 4: "The CentOS development team is pleased to announce the release of CentOS 4.5 for i386, x86_64 and ia64. This release corresponds to the upstream vendor 4.5 release. Also released in the updates repository for CentOS-4.5 are all updates through May 16th, 2007. Major changes for this version are: changes to certain up2date options; Xen kernel that is now supported as a paravirtualized guest; a technology preview of OpenOffice.org 2.0 in the updates directory...." Read the full release announcement for further information. Download the CD or DVD images from one of these mirrors: CentOS-4.5-i386-binDVD.iso (2,248MB, MD5), CentOS-4.5-x86_64-binDVD.iso (2,489MB, MD5).

Karanbir Singh has announced the immediate availability of CentOS 5.0, a Linux distribution built by recompiling source packages for Red Hat Enterprise Linux 5: "We are pleased to announce the immediate availability of CentOS 5 for the i386 and x86_64 architectures. CentOS 5 is based on the upstream release 5, and includes packages from all variants including Server and Client. All upstream repositories have been combined into one, to make it easier for end users to work with. Major changes in CentOS 5 compared to CentOS 4 include: updated software versions; better desktop support with Compiz and AIGLX; virtualization provided by the Xen hypervisor with Virtual Machine Manager and libvirt; Sabayon to simplify the construction of user profiles." See the release announcement and release notes for more information. Download via BitTorrent: CentOS-5.0-i386-bin-DVD.iso (3,542MB, MD5), CentOS-5.0-x86_64-bin-DVD.iso (4,089MB, MD5).

Johnny Hughes has announced the availability of the first beta release of CentOS 5, based on Red Hat Enterprise Linux 5 Beta 2: "The CentOS development team is pleased to announce the release of CentOS 5 (Beta) for i386 and x86_64. This is a beta frozen release. Which implies there are known security issues with packages in this release, and there will be no updates provided in order to resolve those issues. This release is not meant to be used in production and there are no upgrade paths guaranteed from this release. As a user, you should consider this beta release as unsuitable for deployment but usable in a test environment to look at new technologies and changes in the distribution since CentOS 4." Read the full release announcement and release notes for more information. Interested beta testers can download the DVD media via BitTorrent: CentOS-4.92-i386-bin-DVD (3.34GB), CentOS-4.92-x86_64-bin-DVD.iso (3.88GB).

Johnny Hughes has announced the availability of a fourth update to CentOS 4 series, a Linux distribution built from source RPM packages for Red Hat Enterprise Linux 4: "The CentOS development team is pleased to announce the release of CentOS 4.4 for i386 and x86_64. This release corresponds to the upstream vendor U4 release together with updates through August 26th, 2006. The Live CD edition (1 CD-ROM) is available for i386. Major changes for this version are: Mozilla has been replaced by SeaMonkey, Ethereal has been replaced by Wireshark. Firefox and Thunderbird have moved to 1.5.x versions, OpenOffice.org has moved from to the 1.1.5 version." For more information please see the release announcement and release notes. The CD/DVD and live CD images are available from the project's download server and mirror sites.

Johnny Hughes has announced the release of the 8th update to the legacy CentOS 3 series, available for both i386 and x86_64 architectures: "The CentOS development team is please to announce the release of CentOS 3.8 for i386 and x86_64. CentOS 3.8 is available on all mirrors and via BitTorrent. This release corresponds to the upstream vendor U8 release together with updates through August 11th (depending on architecture). The serverCD edition (1 CD) is available for i386 and x86_64. The work for the other architectures is still in progress." Here is the complete release announcement. The complete CD image sets, DVD torrent files, and single-CD server editions are available from these download mirrors.

Karanbir Singh has announced the release of CentOS 4.3 Server CD, the project's single-CD variant designed for server use: "The single CD server install for CentOS 4.3 / i386 has now been released and is available from all active mirrors. Notes: this installer will only work with i686 based CPUs; the included packages are a subset of all packages available in the CentOS distribution, however yum has been pre-configured to use the entire repository; in order to ensure that drivers and other third party apps maintain compatibility, the package set used on the Server CD is from CentOS 4.3, you are strongly encouraged to run a 'yum update' immediately after installation." Read the rest of the release announcement for further information. Download: CentOS-4.3.ServerCD-i386.iso (563MB, MD5).

Johnny Hughes has announced the release of the first ever CentOS live CD: "The CentOS Development team is pleased to announce the availability of the first CentOS 4 i386 Live CD. This CD is based on our CentOSPlus kernel and the CentOS 4.3 distribution. It can be used a workstation, with the following software: OpenOffice.org 1.1.2, Evolution 2.0.2, Firefox 1.5.0.2, GIMP 2.0.5; built in support for the NVIDIA and ATI proprietary drivers. It is also a great recovery / rescue tool containing the following: read / write access to XFS, JFS, ext3, ext2, NTFS, ReiserFS, LVM2 graphical tool, GNU Parted; QTParted; PartImage; smb4K graphical SMB tool; ClamAV for virus scanning; chkrootkit for finding potential root kits; MemTest86+ memory tester...." See the release announcement for more details. Download: CentOS-4.3-i386-LiveCD.iso (684MB, MD5).

CentOS 3.7 has been released: "The CentOS development team is pleased to announce the availability of CentOS 3.7. Major changes in this version of CentOS include: Added Intelligent Platform Management Interface (IPMI) functionality to CentOS-3. IPMI is a standard for controlling intelligent devices that monitor a system. It provides for dynamic discovery of sensors in the system and the ability to monitor the sensors and be informed when the sensor's values change or go outside certain boundaries. To use IPMI, you need an interface to an IPMI controller in your system (called a Baseboard Management Controller, or BMC) and the IPMI software." More details can be found in the release announcement. As always, the CentOS 3.x series can be easily updated via yum or up2date, while complete ISO image sets are also available for download.

CentOS, a community distribution built from source packages for Red Hat Enterprise Linux, has been updated to version 4.3: "The CentOS development team is pleased to announce the availability of CentOS 4.3. Major changes in this version of CentOS include: upgraded update system - this new system provides more that 100 total mirrors for updates and picks geographically close and non-stale mirrors based on our master server's content; Frysk, InfiniBand Architecture (IBA), and z/VM hypervisor issues are discussed in the upstream release notes; updated and added packages." Read the full release announcement for additional information. The CD and DVD ISO images for the i386, x86_64 and ia64 architectures are available for download from the project's redirect system or directly from a large number of mirror sites.

The CentOS project has released a new set of ISO images of its distribution, based on Red Hat Enterprise Linux 4, incorporating all recent upstream updates and security fixes: "The CentOS development team is pleased to announce the availability of CentOS-4.2 in the following architectures: i386, x86_64, ia64, s390, s390x, alpha. Major changes in this version of CentOS include: yum has been upgraded to version 2.4.x, which adds a SQLite database backend for local metadata storage; CentOS-4.2 contains a technology preview release of SystemTap, a dynamic system profiling framework; updated and added packages." Detailed information can be found in the release announcement. The ISO images are available for download from one of the project's mirror servers; here is a quick link to the DVD torrent file for the i386 architecture: CentOS-4.2-i386-binDVD1 (2,100MB).

A set of new CentOS ISO images for the i386 and ia64 architectures has been released: "CentOS 4.1 i386 is now available on the mirrors. CentOS 4.1 is just a re-spun ISO containing all updates through June, 10th 2005, (include all those released in EL4 Update 1). If you already have CentOS 4.0, downloading the new ISOs is not required to update to CentOS 4.1. You can upgrade CentOS 4.0 to 4.1 manually now by replacing $releasever with 4.1 on all the repos and running 'yum upgrade'. If you don't want to manually edit anything now, in about 1 week CentOS-4.1 i386 will automatically be made the default version and you will be upgraded when you run yum any time after that." Here are the full release announcements for the i386 and ia64 architectures. ISO images and BitTorrent trackers for CentOS 4.1 are available from one of the many CentOS download mirrors.

CentOS 3.5 for the i386 architecture has been released: "CentOS 3.5 for i386 has now been released and is available on all mirrors and via BitTorrent. A late omission in the ISOs meant respinning and that caused some delay. Please download and test, or set your yum.conf to point to 3.5 rather than $releasever to test updating and add any problems to bugs.centos.org. 3.4 will be removed from the mirrors and 3.5 will become the default in 48 hours if no problems are reported." Here is the full release announcement. For downloads please visit the project's mirrors page which lists links to CD images, as well as BitTorrent links to CD and DVD images.

Sean Michael Kerner has published a review on CentOS: "Red Hat Enterprise Linux 4 was released on February 14th, CentOS issued its cloned version two weeks later on March 2nd. Since then I've been evaluating CentOS and putting it through its paces to see if it would hold up to its auspicious genetic parent. Though certainly not perfect, CentOS offers a palatable (free) option for those that want/need Enterprise grade stability without enterprise grade support or cost." Read the review with screenshots on LinuxPlanet.

This is the first release candidate of CentOS 4. "The CentOS team is happy to announce the availability of CentOS-4.0 (RC1) for i386. Expected life span is 14 days from Release. Within this time period we expect to move to a Final Release. Unless there are any urgent security issues, there will be no package update provided for RC1. If you are currently running CentOS4 Beta i386, you should take a look at the release notes before attempting the upgrade. Known issues include a problem with the initial splash screen displayed at CD boot time." There are 5 CD images which are only available for download via BitTorrent: CentOS-4.0.rc1-i386-bin1to5.torrent (total size: 2,822MB).

The developers of CentOS have released a special edition of CentOS 3.4 with a collection of server-specific software on a single CD: "The CentOS Team is pleased to announce the official release of a new single CD Server version of CentOS 3.4 for i386. This single CD ISO should be ideal for use in data centres for installing servers and it has also been designed for cover mount magazine use. This version includes all of the packages that can be chosen to be installed during a 'Server' install. Once installed yum can be used to install additional packages from mirrors and yum groupinstall can be used to install additional package groups. This release includes all relevant RHEL 3 updates (for U4) and errata up to January 20th, 2005." Read the full release announcement for more information. Download: CentOS-3.4-i386-Server.iso (674MB); also available via BitTorrent.

The developers of CentOS have announced the release of a beta version of CentOS 4.0 for i386 processors: "The CentOS team is happy to announce the availability of CentOS-4.0 (Beta) for i386. This product supports AMD Athlon, Athlon XP, Duron, and Intel Pentium, Pentium Pro, Pentium II, Pentium III, Pentium 4 and Pentium Xeon processors." A x86_64 edition of this product is also available: "The CentOS team is happy to announce the availability of CentOS-4.0 (Beta) for x86_64. This product supports AMD64 and Intel EM64T processors." The ISO images can be downloaded from the project's HTTP server, as well as via BitTorrent; please read the two announcements (i386 and x86_64) for further details and download locations. CentOS 4.0 is a Linux distribution built from source RPMs for Red Hat Enterprise Linux 4.

CentOS 3.4 has been released: "The CentOS Team is pleased to announce the official release of CentOS 3.4 for i386. This release includes all RHEL 3 updates (for U4) and errata up to January 5th, 2005. New ISO images are available as well as an installable DVD edition with source. In addition, this release is available via BitTorrent." Read the rest of the release announcement with release and upgrade notes, as well as download information. You can obtain the CD ISO images from one of the CentOS mirrors: CentOS-3.4-i386-disc1.iso (602MB), CentOS-3.4-i386-disc2.iso (631MB), CentOS-3.4-i386-disc3.iso (644MB). The download directories on mirrors also contain BitTorrent trackers for CD and DVD images.

Following the recent release of RHEL 3 Update 4 (U4), the CentOS project is preparing its own new release - CentOS 3.4: "I have uploaded the tree containing the latest updates. This contains U4 and all of the updates released to date. Please install and bugzilla any problems. Alternatively point your yum.conf at the repository and yum update to test the U4 stuff. Assuming no problems with this I will push U4 updates in a couple of days." Here is the release announcement, inclusive of release notes and known issues. Download from here: CentOS-1.iso (603MB), CentOS-2.iso (630MB), CentOS-3.iso (608MB).

CentOS 3.3 has been released: "CentOS 3.3 is available for general use. This is a complete rebuild of all the updated packages that Red Hat has included in the SRPMs of their Enterprise Linux 3 Update 3. The changed packages from update 3 are overlaid onto 3.1. This release includes a rebuilt Anaconda and new boot kernels for the installer. An update from 3.1 should be seamless. Simply, running 'yum update' should get all the latest packages from your local mirror repository. If you'd like to reinstall your system from scratch or install a new system you will need to download all new disk images as the ones for 3.1 will not install from the 3.3 installation directories." Read the rest of the release announcement. Download (i386): CentOS-3.3-i386-disc1.iso (631MB), CentOS-3.3-i386-disc2.iso (636MB), CentOS-3.3-i386-disc3.iso (346MB). ISO images for x86_64 are also available.

CentOS-2 Final has been released: "At long last CentOS-2 Final is available for download from the CentOS mirrors. CentOS-2 is a freely distributable OS built from the source RPMs [of Red Hat Enterprise Linux 2.1 Advanced Server]. It strives to be as close to RHEL2.1AS as possible with the exception of removing trademark and copyright restrictions. CentOS-2 is both free as in beer and free as in speech. There are no trademarks restrictions on CentOS-2 and distribution is not only permitted but encouraged. More information on CentOS-2 can be found here." The full release announcement. Download: i386-disc1.iso (643MB) and i386-disc2.iso (633MB).

The cAos project has released CentOS 3.1, an enterprise level distribution rebuilt from Red Hat Enterprise Linux source RPMs: "Thanks to all who have tested - CentOS 3.1 has now been released. The release includes all security updates for RHEL released by 18th March. CentOS-3 also now includes the RHEL documentation, both on the CDs (CD3/docs) and also on the mirrors in the 3.1/docs/ directory. All RPMS in 3.1 are now signed with the CentOS-3 GPG key, as is the list of md5sums on the server." The full announcement. Download: CentOS-3.1-i386.disc1.iso (693MB), CentOS-3.1-i386.disc2.iso (695MB), CentOS-3.1-i386.disc3.iso (695MB). A DVD ISO image is also available via BitTorrent.

3CX Phone System is a specialist, Debian-based Linux distribution designed to run a complete unified communications platform. The 3CX client, included in the distribution, can also be installed separately on most hardware as well as the cloud. It provides a complete open standards-based IP PBX and phone system that works with popular SIP trunks and IP phones. It will automatically configure all supported peripherals and it also comes with clients for Windows, OS X, iOS and Android. The ISO image includes a free license for the 3CX PBX edition. The ISO image contains the standard Debian installer which installs a minimal system with the nginx web server, PostgreSQL database, iptables firewall and Secure Shell. Options not relevant to 3CX have been removed from the distribution. Download the installation ISO image from here: debian-9.2.1-amd64-netinst-3cx.iso (324MB).